package main

import (
	"regexp"
	"fmt"
)

func main() {
	// |(//.*)|([\\-|\\+|\\*|\\/|>|<]
	re := regexp.MustCompile("(\\d+)|([a-zA-Z]+)")
	m := re.FindStringIndex("aaaaa + 56678")
	fmt.Print(m)
}
